/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { JsonElement } from './jsonElement'
import { isNumber } from './utils'

export class JsonPrimitive extends JsonElement {
  private value: string | number | boolean;

  constructor(value: string | number | boolean) {
    super();
    this.value = value;
  }

  public deepCopy(): JsonPrimitive {
    return this;
  }

  public isBoolean(): boolean {
    return typeof this.value === 'boolean';
  }

  public getAsBoolean(): boolean {
    if (typeof this.value === 'boolean') {
      return this.value;
    }
  }

  public isNumber(): boolean {
    return typeof this.value === 'number';
  }

  public getAsNumber(): number {
    if (typeof this.value === 'number') {
      return this.value;
    } else if (typeof this.value === 'string') {
      if (isNumber(this.value)) {
        return Number(this.value);
      } else {
        return 0;
      }
    } else if (typeof this.value === 'boolean') {
      if (this.value) {
        return 1;
      } else {
        return 0;
      }
    }
  }

  public isString(): boolean {
    return typeof this.value === 'string';
  }

  public getAsString(): string {
    if (this.isNumber()) {
      return this.getAsNumber().toString();
    } else if (this.isBoolean()) {
      return this.value.toString();
    } else if (typeof this.value === 'string') {
      return this.value
    }
  }
}